#svg-container {
    width: 100%;
    height: 100%;
}

.control-btn {
    width: 20px;
    height: 20px;
    position: absolute;
    text-align: center;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
}

#btn-zoom-in {
    top: 30px;
    left: 30px;
}

#btn-zoom-out {
    top: 30px;
    left: 70px;
}

#btn-move-up {
    top: 70px;
    left: 50px;
}

#btn-move-right {
    top: 90px;
    left: 70px;
}

#btn-move-left {
    top: 90px;
    left: 30px;
}

#btn-move-down {
    top: 110px;
    left: 50px;
}